122997775086 has 48 divisors (see below), whose sum is σ = 274308562944. Its totient is φ = 39810938832.

The previous prime is 122997775079. The next prime is 122997775129. The reversal of 122997775086 is 680577799221.

122997775086 is a `hidden beast` number, since 12 + 29 + 97 + 7 + 7 + 508 + 6 = 666.

It is a super-2 number, since 2×122997775086² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 464950 + ... + 679833.

It is an arithmetic number, because the mean of its divisors is an integer number (5714761728).

Almost surely, 2^122997775086 is an apocalyptic number.

122997775086 is an abundant number, since it is smaller than the sum of its proper divisors (151310787858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122997775086 is a wasteful number, since it uses less digits than its factorization.

122997775086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144965 (or 1144962 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 63.

The spelling of 122997775086 in words is "one hundred twenty-two billion, nine hundred ninety-seven million, seven hundred seventy-five thousand, eighty-six".